git-sh-i18n.sh

   1 # This shell library is Git's interface to gettext.sh. See po/README
   2 # for usage instructions.
   3 #
   4 # Copyright (c) 2010 Ævar Arnfjörð Bjarmason
   5 #
   6
   7 # Export the TEXTDOMAIN* data that we need for Git
   8 TEXTDOMAIN=git
   9 export TEXTDOMAIN
  10 if test -z "$GIT_TEXTDOMAINDIR"
  11 then
  12         TEXTDOMAINDIR="@@LOCALEDIR@@"
  13 else
  14         TEXTDOMAINDIR="$GIT_TEXTDOMAINDIR"
  15 fi
  16 export TEXTDOMAINDIR
  17
  18 # First decide what scheme to use...
  19 GIT_INTERNAL_GETTEXT_SH_SCHEME=fallthrough
  20 if test -n "@@USE_GETTEXT_SCHEME@@"
  21 then
  22         GIT_INTERNAL_GETTEXT_SH_SCHEME="@@USE_GETTEXT_SCHEME@@"
  23 elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
  24 then
  25         : no probing necessary
  26 elif type gettext.sh >/dev/null 2>&1
  27 then
  28         # GNU libintl's gettext.sh
  29         GIT_INTERNAL_GETTEXT_SH_SCHEME=gnu
  30 elif test "$(gettext -h 2>&1)" = "-h"
  31 then
  32         # gettext binary exists but no gettext.sh. likely to be a gettext
  33         # binary on a Solaris or something that is not GNU libintl and
  34         # lack eval_gettext.
  35         GIT_INTERNAL_GETTEXT_SH_SCHEME=gettext_without_eval_gettext
  36 fi
  37 export GIT_INTERNAL_GETTEXT_SH_SCHEME
  38
  39 # ... and then follow that decision.
  40 case "$GIT_INTERNAL_GETTEXT_SH_SCHEME" in
  41 gnu)
  42         # Use libintl's gettext.sh, or fall back to English if we can't.
  43         . gettext.sh
  44         ;;
  45 gettext_without_eval_gettext)
  46         # Solaris has a gettext(1) but no eval_gettext(1)
  47         eval_gettext () {
  48                 gettext "$1" | (
  49                         export PATH $(git sh-i18n--envsubst --variables "$1");
  50                         git sh-i18n--envsubst "$1"
  51                 )
  52         }
  53
  54         ;;
  55 *)
  56         gettext () {
  57                 printf "%s" "$1"
  58         }
  59
  60         eval_gettext () {
  61                 printf "%s" "$1" | (
  62                         export PATH $(git sh-i18n--envsubst --variables "$1");
  63                         git sh-i18n--envsubst "$1"
  64                 )
  65         }
  66
  67         ;;
  68 esac
  69
  70 # Git-specific wrapper functions
  71 gettextln () {
  72         gettext "$1"
  73         echo
  74 }
  75
  76 eval_gettextln () {
  77         eval_gettext "$1"
  78         echo
  79 }